Blank for a disposable tray



FIG. 1 is a top plan view of a blank for a disposable tray embodying our new design, the bottom being substantially the same in appearance; and

FIG. 2 is a top plan view showing another embodiment of our new design, the bottom being substantially the same in appearance.

The blank for a disposable tray is constructed of conventional thickness material and in the drawings the dashed lines represent score lines. 

The ornamental design for a blank for a disposable tray, substantially as shown and described. 